#950564 (C++17) No.2696 Sign Creation

提出ソース

結果

問題	No.2696 Sign Creation
ユーザー	KowerKoint2010
提出日時	2024-02-13 15:56:29
言語	C++17 (gcc 12.3.0 + boost 1.83.0)
結果	WA (最新) AC (最初)
実行時間	-
コード長	10,002 bytes
コンパイル時間	2,986 ms
コンパイル使用メモリ	239,400 KB
実行使用メモリ	146,932 KB
最終ジャッジ日時	2024-03-27 16:46:45
合計ジャッジ時間	8,325 ms
ジャッジサーバーID （参考情報）	judge15 / judge11

このコードへのチャレンジ
（要ログイン）

テストケース

テストケース表示

入力	結果	実行時間実行使用メモリ
testcase_00	AC	2 ms 6,676 KB
testcase_01	AC	2 ms 6,676 KB
testcase_02	AC	2 ms 6,676 KB
testcase_03	AC	2 ms 6,676 KB
testcase_04	AC	2 ms 6,676 KB
testcase_05	AC	2 ms 6,676 KB
testcase_06	AC	3 ms 6,676 KB
testcase_07	AC	2 ms 6,676 KB
testcase_08	AC	16 ms 6,676 KB
testcase_09	AC	2 ms 6,676 KB
testcase_10	AC	9 ms 6,676 KB
testcase_11	AC	3 ms 6,676 KB
testcase_12	AC	2 ms 6,676 KB
testcase_13	AC	422 ms 43,116 KB
testcase_14	AC	154 ms 17,292 KB
testcase_15	AC	152 ms 19,308 KB
testcase_16	AC	447 ms 41,328 KB
testcase_17	AC	2 ms 6,676 KB
testcase_18	AC	35 ms 6,912 KB
testcase_19	AC	146 ms 14,876 KB
testcase_20	AC	2 ms 6,676 KB
testcase_21	AC	141 ms 13,652 KB
testcase_22	AC	29 ms 7,040 KB
testcase_23	AC	130 ms 12,284 KB
testcase_24	AC	133 ms 12,180 KB
testcase_25	AC	170 ms 22,804 KB
testcase_26	AC	6 ms 6,676 KB
testcase_27	AC	36 ms 8,960 KB
testcase_28	AC	49 ms 10,112 KB
testcase_29	AC	3 ms 6,676 KB
testcase_30	AC	3 ms 6,676 KB
testcase_31	AC	2,071 ms 146,932 KB
testcase_32	AC	2 ms 6,676 KB
testcase_33	AC	2 ms 6,676 KB
testcase_34	AC	2 ms 6,676 KB
testcase_35	AC	2 ms 6,676 KB
testcase_36	AC	2 ms 6,676 KB
testcase_37	AC	3 ms 6,676 KB
testcase_38	AC	2 ms 6,676 KB
testcase_39	WA	-

権限があれば一括ダウンロードができます

ソースコード

raw source code

#line 2 "/home/kowerkoint/workspace/CompPro-Make/library/KowerKoint/stl-expansion.hpp"
#include <bits/stdc++.h>

template <typename T1, typename T2>
std::istream& operator>>(std::istream& is, std::pair<T1, T2>& p) {
    is >> p.first >> p.second;
    return is;
}
template <typename T, size_t N>
std::istream& operator>>(std::istream& is, std::array<T, N>& a) {
    for (size_t i = 0; i < N; ++i) {
        is >> a[i];
    }
    return is;
}
template <typename T>
std::istream& operator>>(std::istream& is, std::vector<T>& v) {
    for (auto& e : v) is >> e;
    return is;
}
template <typename T1, typename T2>
std::ostream& operator<<(std::ostream& os, const std::pair<T1, T2>& p) {
    os << p.first << " " << p.second;
    return os;
}
template <typename T, size_t N>
std::ostream& operator<<(std::ostream& os, const std::array<T, N>& a) {
    for (size_t i = 0; i < N; ++i) {
        os << a[i] << (i + 1 == a.size() ? "" : " ");
    }
    return os;
}
template <typename T>
std::ostream& operator<<(std::ostream& os, const std::vector<T>& v) {
    for (size_t i = 0; i < v.size(); ++i) {
        os << v[i] << (i + 1 == v.size() ? "" : " ");
    }
    return os;
}
#line 3 "/home/kowerkoint/workspace/CompPro-Make/library/KowerKoint/base.hpp"
using namespace std;

#define REP(i, n) for(int i = 0; i < (int)(n); i++)
#define FOR(i, a, b) for(ll i = a; i < (ll)(b); i++)
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(),(a).rend()
#define END(...) { print(__VA_ARGS__); return; }

using VI = vector<int>;
using VVI = vector<VI>;
using VVVI = vector<VVI>;
using ll = long long;
using VL = vector<ll>;
using VVL = vector<VL>;
using VVVL = vector<VVL>;
using ull = unsigned long long;
using VUL = vector<ull>;
using VVUL = vector<VUL>;
using VVVUL = vector<VVUL>;
using VD = vector<double>;
using VVD = vector<VD>;
using VVVD = vector<VVD>;
using VS = vector<string>;
using VVS = vector<VS>;
using VVVS = vector<VVS>;
using VC = vector<char>;
using VVC = vector<VC>;
using VVVC = vector<VVC>;
using P = pair<int, int>;
using VP = vector<P>;
using VVP = vector<VP>;
using VVVP = vector<VVP>;
using LP = pair<ll, ll>;
using VLP = vector<LP>;
using VVLP = vector<VLP>;
using VVVLP = vector<VVLP>;

template <typename T>
using PQ = priority_queue<T>;
template <typename T>
using GPQ = priority_queue<T, vector<T>, greater<T>>;

constexpr int INF = 1001001001;
constexpr ll LINF = 1001001001001001001ll;
constexpr int DX[] = {1, 0, -1, 0};
constexpr int DY[] = {0, 1, 0, -1};

void print() { cout << '\n'; }
template<typename T>
void print(const T &t) { cout << t << '\n'; }
template<typename Head, typename... Tail>
void print(const Head &head, const Tail &... tail) {
    cout << head << ' ';
    print(tail...);
}

#ifdef DEBUG
void dbg() { cerr << '\n'; }
template<typename T>
void dbg(const T &t) { cerr << t << '\n'; }
template<typename Head, typename... Tail>
void dbg(const Head &head, const Tail &... tail) {
    cerr << head << ' ';
    dbg(tail...);
}
#else
template<typename... Args>
void dbg(const Args &... args) {}
#endif

template<typename T>
vector<vector<T>> split(typename vector<T>::const_iterator begin, typename vector<T>::const_iterator end, T val) {
    vector<vector<T>> res;
    vector<T> cur;
    for(auto it = begin; it != end; it++) {
        if(*it == val) {
            res.push_back(cur);
            cur.clear();
        } else cur.push_back(*it);
    }
    res.push_back(cur);
    return res;
}

vector<string> split(typename string::const_iterator begin, typename string::const_iterator end, char val) {
    vector<string> res;
    string cur = "";
    for(auto it = begin; it != end; it++) {
        if(*it == val) {
            res.push_back(cur);
            cur.clear();
        } else cur.push_back(*it);
    }
    res.push_back(cur);
    return res;
}

template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }

template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }

template <typename T>
pair<VI, vector<T>> compress(const vector<T> &a) {
    int n = a.size();
    vector<T> x;
    REP(i, n) x.push_back(a[i]);
    sort(ALL(x)); x.erase(unique(ALL(x)), x.end());
    VI res(n);
    REP(i, n) res[i] = lower_bound(ALL(x), a[i]) - x.begin();
    return make_pair(res, x);
}

template <typename It>
auto rle(It begin, It end) {
    vector<pair<typename It::value_type, int>> res;
    if(begin == end) return res;
    auto pre = *begin;
    int num = 1;
    for(auto it = begin + 1; it != end; it++) {
        if(pre != *it) {
            res.emplace_back(pre, num);
            pre = *it;
            num = 1;
        } else num++;
    }
    res.emplace_back(pre, num);
    return res;
}

template <typename It>
vector<pair<typename It::value_type, int>> rle_sort(It begin, It end) {
    vector<typename It::value_type> cloned(begin, end);
    sort(ALL(cloned));
    auto e = rle(ALL(cloned));
    sort(ALL(e), [](const auto& l, const auto& r) { return l.second < r.second; });
    return e;
}

template <typename T>
pair<vector<T>, vector<T>> factorial(int n) {
    vector<T> res(n+1), rev(n+1);
    res[0] = 1;
    REP(i, n) res[i+1] = res[i] * (i+1);
    rev[n] = 1 / res[n];
    for(int i = n; i > 0; i--) {
        rev[i-1] = rev[i] * i;
    }
    return make_pair(res, rev);
}
#line 2 "/home/kowerkoint/workspace/CompPro-Make/library/rainbou/cpp/unionfind.hpp"

/**
 * @file unionfind.hpp
 * @brief UnionFind
 */

#line 11 "/home/kowerkoint/workspace/CompPro-Make/library/rainbou/cpp/unionfind.hpp"

/**
 * @brief 無向グラフに対して「辺の追加」、「2頂点が連結かの判定」をする
 */
struct UnionFind {
   private:
    int _n;
    // 負ならサイズ、非負なら親
    std::vector<int> parent_or_size;

   public:
    UnionFind() : _n(0) {}
    explicit UnionFind(int n) : _n(n), parent_or_size(n, -1) {}

    /**
     * @brief 辺(a,b)を足す
     * @return 連結したものの代表元
     */
    int merge(int a, int b) {
        assert(0 <= a && a < _n);
        assert(0 <= b && b < _n);
        int x = leader(a), y = leader(b);
        if (x == y) return x;
        if (-parent_or_size[x] < -parent_or_size[y]) std::swap(x, y);
        parent_or_size[x] += parent_or_size[y];
        parent_or_size[y] = x;
        return x;
    }
    /**
     * @brief 頂点a,bが連結かどうか
     */
    bool same(int a, int b) {
        assert(0 <= a && a < _n);
        assert(0 <= b && b < _n);
        return leader(a) == leader(b);
    }
    /**
     * @brief 頂点aの属する連結成分の代表元
     */
    int leader(int a) {
        assert(0 <= a && a < _n);
        if (parent_or_size[a] < 0) return a;
        int x = a;
        while (parent_or_size[x] >= 0) {
            x = parent_or_size[x];
        }
        while (parent_or_size[a] >= 0) {
            int t = parent_or_size[a];
            parent_or_size[a] = x;
            a = t;
        }
        return x;
    }
    /**
     * @brief 頂点aの属する連結成分のサイズ
     */
    int size(int a) {
        assert(0 <= a && a < _n);
        return -parent_or_size[leader(a)];
    }
    /**
     * @brief グラフを連結成分に分け、その情報を返す
     * @return 「一つの連結成分の頂点番号のリスト」のリスト
     */
    std::vector<std::vector<int>> groups() {
        std::vector<int> leader_buf(_n), group_size(_n);
        for (int i = 0; i < _n; i++) {
            leader_buf[i] = leader(i);
            group_size[leader_buf[i]]++;
        }
        std::vector<std::vector<int>> result(_n);
        for (int i = 0; i < _n; i++) {
            result[i].reserve(group_size[i]);
        }
        for (int i = 0; i < _n; i++) {
            result[leader_buf[i]].push_back(i);
        }
        result.erase(
            std::remove_if(result.begin(), result.end(),
                           [&](const std::vector<int>& v) { return v.empty(); }),
            result.end());
        return result;
    }
};
#line 3 "main.cpp"

void solve(){
    ll h, w, n, d; cin >> h >> w >> n >> d;
    VLP xy(n); cin >> xy;
    map<LP, int> mp; REP(i, n) mp[xy[i]] = i;
    UnionFind uf(n);
    REP(i, n) {
        auto [x, y] = xy[i];
        for(int dx = -d; dx <= d; dx++) {
            for(int dy = abs(dx)-d; dy <= d-abs(dx); dy++) {
                ll nx = x+dx, ny = y+dy;
                if(nx < 1 || ny < 1 || nx > h || ny > w) continue;
                if(auto it = mp.find({nx, ny}); it != mp.end()) uf.merge(i, it->second);
            }
        }
    }
    auto groups = uf.groups();
    int m = groups.size();
    VI isolate(n);
    map<LP, pair<int, int>> near_groups;
    REP(i, m) {
        const auto &v = groups[i];
        if(v.size() == 1) isolate[v[0]] = 1;
        VLP near;
        for(int j : v) {
            auto [x, y] = xy[j];
            for(int dx = -d; dx <= d; dx++) {
                for(int dy = abs(dx)-d; dy <= d-abs(dx); dy++) {
                    ll nx = x+dx, ny = y+dy;
                    if(nx < 1 || ny < 1 || nx > h || ny > w) continue;
                    near.emplace_back(nx, ny);
                }
            }
        }
        sort(ALL(near));
        near.erase(unique(ALL(near)), near.end());
        for(const auto &[x, y] : near) {
            near_groups[{x, y}].first++;
            if(v.size() == 1) near_groups[{x, y}].second++;
        }
    }
    int isolates = accumulate(ALL(isolate), 0);
    ll mx = 0, mn = INF;
    for(const auto &[ng, ni] : near_groups) {
        chmax(mx, (m+1-ni.first) - (isolates-ni.second));
        chmin(mn, (m+1-ni.first) - (isolates-ni.second));
    }
    if((ll)near_groups.size() < h*w) {
        chmax(mx, m+1-isolates-1);
        chmin(mn, m+1-isolates-1);
    }
    print(mn, mx);
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(10);
    int t = 1;
    // cin >> t;
    for(int case_id = 1; case_id <= t; case_id++) solve();
    return 0;
}

yukicoder

結果

テストケース

ソースコード